To help you make sense of the million different things you can do with dumbbells, Stack 52 has a chart of over 100 of the best dumbbell exercises, categorized by body part and ranked by difficulty. Stack 52 also sells a stack of actual cards you can use to deal yourself a workout, but the infographic is no strings attached, and there are matching charts for suspension and bodyweight exercises. Check out the link below for the full chart, including video demos of each move.